now to a story getting a lot of attention on fox news latino.com. investigators are looking into what caused a small plane to crash in mexico killing seven people including high-profile mexican-american singer jenni rivera. the 43-year-old was on her way to a concert when the plane took a nose dive, literally disintegrating on impact. trace gallagher is following this life from our los angeles bureau. what do we know, trace? >> reporter: well, because that plane was owned by a las vegas company, the ntsb is involved in this investigation. we're being told it could be about ten days before they have any preliminary result on this. we know that after jenni rivera performed a concert in monterey, mexico, 3:30 in the morning she left for mexico city. about ten minutes into that flight the plane went from 35,000 feet to 9,000 feet, and then it fell completely off the radar. it hit so hard that it disintegrated, and authorities say none of the wreckage or remains were unrecognizable, and at first that gave rivera's family some hope. listen. >> in our eyes